IN THE BIG CITIES, WE HAVE TO PUT UP WITH ... AND BAD AIR.A.OVERCR...
35. In the big cities, we have to put up with ... and bad air.
A.
overcrowding
B. overcrowd
C. crowd
D. crowded
35. In the big cities, we have to put up with ... and bad air.
A.
overcrowding
B. overcrowd
C. crowd
D. crowded